Hydrogen! It’s a highly flammable gas that seems way too cool to be easy to come by. And yet, it’s actually trivial to make it out of water if you know how. [Maciej Nowak] has shown us how to do just ...

国産ヘッドレスCMS「SIMPLE BOOK」にAI記事作成機能を追加しました。 中小企業に向けたWEBマーケティング事業等を展開する、株式会社SFIDA X（本社：東京都新宿区、代表取締役：住田悦郎）は、ChatGPTなど生成AIが社会に浸透していく中、世の中のニーズに合わせ ...

The circuit of Figure 1 generates sinusoids down to very low frequencies with distortion in the region of 3% or less, yet has no feedback or gain-stabilizing components because none are needed. It ...

This is a very simple square wave generator circuit built with IC 74LS00 that can generate square signals with frequencies between 20 Hz and 1 MHz. Its stability is good enough for most applications.